Home / 6,865.72-10,286.81-4,610.02

Finding the Fourth Proportional to 6,865.72, 10,286.81 and 4,610.02

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Solution

The fourth proportional to 6,865.72, 10,286.81 and 4,610.02 is: 6,907.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.72 : 10,286.81 = 4,610.02 : x
  2. Step 2: Convert to fraction form
    6,865.72/10,286.81 = 4,610.02/x
  3. Step 3: Cross multiply
    6,865.72x = 10,286.81 × 4,610.02
  4. Step 4: Simplify right side
    6,865.72x = 47,422,399.84
  5. Step 5: Solve for x
    x = 47,422,399.84/6,865.72
  6. Step 6: Final answer
    x = 6,907.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.